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公开(公告)号：US20240245823A1
公开(公告)日：2024-07-25
申请号：US18586901
申请日：2024-02-26
发明人： Duncan J. Maitland , Todd Lawrence Landsman , Tyler Joseph Touchet , Elizabeth L. Cosgriff-Hernandez , Thomas S. Wilson
CPC分类号： A61L15/18 , A61L15/26 , A61L15/425 , A61L15/46 , A61L24/0015 , A61L24/0036 , A61L24/0094 , A61F13/01017 , A61L2300/106 , A61L2300/404 , A61L2400/16
摘要： An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37° C. depressing a glass transition temperature (Tg) of the SMP foam to below 25° C. Other embodiments are described herein.
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公开(公告)号：US11020507B2
公开(公告)日：2021-06-01
申请号：US16353793
申请日：2019-03-14
发明人： Duncan J. Maitland , Todd Lawrence Landsman , Tyler Joseph Touchet , Elizabeth L. Cosgriff-Hernandez , Thomas S. Wilson
摘要： An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37° C. depressing a glass transition temperature (Tg) of the SMP foam to below 25° C. Other embodiments are described herein.
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公开(公告)号：US20210338880A1
公开(公告)日：2021-11-04
申请号：US17335316
申请日：2021-06-01
发明人： Duncan J. Maitland , Todd Lawrence Landsman , Tyler Joseph Touchet , Elizabeth L. Cosgriff-Hernandez , Thomas S. Wilson
摘要： An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37° C. depressing a glass transition temperature (Tg) of the SMP foam to below 25° C. Other embodiments are described herein.
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公开(公告)号：US10265433B2
公开(公告)日：2019-04-23
申请号：US14661215
申请日：2015-03-18
发明人： Duncan J. Maitland , Todd Lawrence Landsman , Tyler Joseph Touchet , Elizabeth L. Cosgriff-Hernandez , Thomas S. Wilson
摘要： An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37° C. depressing a glass transition temperature (Tg) of the SMP foam to below 25° C. Other embodiments are described herein.
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公开(公告)号：US20160270961A1
公开(公告)日：2016-09-22
申请号：US14661215
申请日：2015-03-18
发明人： Duncan J. Maitland , Todd Lawrence Landsman , Tyler Joseph Touchet , Elizabeth L. Cosgriff-Hernandez , Thomas S. Wilson
CPC分类号： A61L15/18 , A61F13/00017 , A61L15/26 , A61L15/425 , A61L15/46 , A61L24/0015 , A61L24/0036 , A61L24/0094 , A61L2300/106 , A61L2300/404 , A61L2400/16 , C08L75/04
摘要： An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37° C. depressing a glass transition temperature (Tg) of the SMP foam to below 25° C. Other embodiments are described herein.
摘要翻译： 一种实施方案包括伤口敷料，其包括：具有第一和第二状态的形状记忆聚合物（SMP）泡沫，包括开孔; 和包含在细胞内的水凝胶（HG）; 其中（a）在第一位置，包括所述SMP泡沫和HG的复合物构造成位于所述SMP泡沫处于第一状态的出血组织附近; （b）在第二位置，当SMP泡沫在37℃下塑化时，将复合材料构造成相对于出血组织膨胀至第二状态，将SMP泡沫的玻璃化转变温度（Tg）降至25℃以下 在此描述其它实施例。
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公开(公告)号：US20190209730A1
公开(公告)日：2019-07-11
申请号：US16353793
申请日：2019-03-14
发明人： Duncan J. Maitland , Todd Lawrence Landsman , Tyler Joseph Touchet , Elizabeth L. Cosgriff-Hernandez , Thomas S. Wilson
CPC分类号： A61L15/18 , A61F13/00017 , A61L15/26 , A61L15/425 , A61L15/46 , A61L24/0015 , A61L24/0036 , A61L24/0094 , A61L2300/106 , A61L2300/404 , A61L2400/16 , C08L75/04
摘要： An embodiment includes a wound dressing comprising: a shape memory polymer (SMP) foam, including open cells, having first and second states; and a hydrogel (HG) included within the cells; wherein (a) in a first position a composite, including the SMP foam and the HG, is configured to be located proximate a hemorrhagic tissue with the SMP foam in the first state; (b) in a second position the composite is configured to be expanded to the second state against the hemorrhagic tissue when the SMP foam is plasticized at 37° C. depressing a glass transition temperature (Tg) of the SMP foam to below 25° C. Other embodiments are described herein.
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